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Table 1

Overview of sites evaluated in this study including longitude (Lon), latitude (Lat), elevation and pressure.

Observatory site Lon/Lat (°) Elevation (m) Pressure (hPa)
Mauna Kea (USA) −155.47/19.82 4200 616.28 ± 1.70
Ceiro Paranal (Chile) −70.40/−24.63 2635 743.66 ± 0.50
La Silla (Chile) −70.73/−29.25 2400 771.06 ± 2.00
Cerro Tololo (Chile) −70.80/−30.17 2200 781.28 ± 2.66
La Palma (Spain) −17.89/28.76 2370 771.21 ± 3.10
Siding Spring (Australia) 149.07/−31.28 1165 891.56 ± 4.55
Sutherland (South Africa) 20.81/−32.38 1798 826.49 ±1.50
San Pedro Mártir (Mexico) −115.46/31.04 2800 732.70 ± 3.20

Notes. Pressure: monthly mean in situ value ± standard deviation.

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